Roof safety device



FIG. 1 is a top front perspective view thereof;

FIG. 2 is a bottom rear perspective view thereof;

FIG. 3 is a side plan view thereof;

FIG. 4 is another side plan view thereof;

FIG. 5 is a top plan view thereof;

FIG. 6 is a bottom plan view thereof;

FIG. 7 is a rear plan view thereof;

FIG. 8 is a front plan view thereof;

FIG. 9 is a sectional view taken along 9-9 of FIG. 5; and,

FIG. 10 is another top front perspective view thereof.

The broken lines in the drawings are for illustrative purposes only and form no part of the claimed design. 

CLAIM The ornamental design for a roof safety device, as shown and described. 